In the plastic art and not only, colors have significant functions with regard to the perception or even to the symbolism of temperament. In many cultures on various geographical coordinates, the reception and the interpretation of colors is taken into consideration only when they are dynamically distinguished. Various types of expression that make us access various levels of perception, of rhetoric, of candidness, of sensation etc. Looking retrospectively on this empathic theory, generations of estheticians struggled with a large amount of pseudo-problems. This plea over expression (be it facial or gestural) in the context of plastic art or of theatrical art has a particular significance and, of course, it steadies both the receptor and the artist. We see nevertheless that, in the day-to-day life, the expression has a primary, unequivocal sense, and above all one takes into consideration the way in which a plastic artist and an actor treat and interpret reality. Let us not forget that the main attributes of communication are the expressive features. The expressive quality presents a real platform that rises the interest of a plastic artist or actor, because it allows him to grasp and to understand his own experience, which does nothing but contribute to the formal configurative that he will draw up.